Power-operated portable loader



Oct. 16, 1928. A t l G. MANll-:RRE

POWER PERATED POR'ITABLI LOADER Fild pee. 19. 1924r Oct. 16, 1928. A 1,687,841

G. ,MAN|ERRE Y POWER OPEVRATED PDRTABLE LOADER y Filed Dec. '19, d1924 9 Sheqts-Sheet 5 "1 sl-Q Y 'egyev/Vaprl? WW.. A Qdi-Fm 9 Sheets-Sheet 6 l G. MANIERRE Ponsa orRATD 'PORTABLE Loman Filed Dec.19l 1925i Y G. MANIERRE POWER OPERTED PORTABLE LOADER Filed Dec.19. 19`24 9 sheets-sheet 7 Oct. 16, 1928.

' G. MANU-:RRE

POWER OPERATED PORTAvBLE LOADER ,Filed Dec.19,`

119.24 9 Sheets-Sheetv -8 Oct. 16, 1928; l, 7,841 v G. MANIERRE POWER OPERATED PORTABLE LOA'DER Filed Dec. 19. 1924 9 Sheets-Sheet 9 Imam@ ovm-y Paztented Oct. 16, 1928.

lParala'r ,"'FF1c1-z.

Groen or mwa'mn, wrsoonsm.

rowruzornna'rnn ron'ran'hn nonna meneame nee recenter 19, im. seml no. new;

This invention relates to improvements Lin power operated portable loaders. v

' It is an object of the invention to provide a power, operated portable loaderV suitable for transferring a relatively heavy load ina box" which is secured to the chassis of a tractor and to also effect the loading of this box by means of the engine propelling the tractor. It isfurthermore an object of the`invention to provide a ipower operated portable the charging of theA loader-in which not only f" loader box may be e ected by the engine propellingthe tractor,but in which also the proportions of ingredients of 'the charge may be selectively determined and may be carried in different compartments so as to remain separated until deliveredto thepoint of use.

' The invention alsoha's the object of providing improved control means for a hoisting device which is operated by the propel-` ling engine of the tractor to retain the charg-4 ing operationof the loaderbox entirely under the supervision of the driver or operator.

The invention also has the object of com bining an improvedconveyor devicewith a tractor and loadin device, conveyor also being operated y the engine propellin the tractor and being under the control '1o 'i the driver.

Another object of the invention 1s to prov ide in a power operated portable loader automatic means for controlling the chargirlg deviceJJ through which a load is transfer 5 from the ground to a-conveybr /so as to terrupt the operation of the char device when the latter is in 'a position tov dellver the load carried by it to the conveyor.

It is also an object of the mventlon -to vide a charging bucket adapted to produce o path for the wheels of the tractor so as facilitate the continued advance of the ma`Y chine into the material to be charged.

Another object of the invention 1s to 5 vide an improved`conveyor construction particularly suitable for transportation on a tractor and to render this conveyor construction adjustable for transferring quantities of .material in a relatively uniform mannen/t0 a delivery point to which the conveyor I na'y .be

properly Y The invention also hns-the object of pro viding a con or construction wherein sevV eral sections o the conveyorfmmemay be machine.

vcontrolling the movement of folded relatively-to each other lto reducethe space which the conveyor will occupy when ,not in use, and to render the entire structure compact when the power operated portable. l

,loader travels from one'place to another.

With these and numerous other objects rin view, a plurality/of embodiments of the i-nvention is illustrated in the accompanying draw-ings, wherein: g

Fig. 1 is a side elevation of the gomplete Fig. 2 is a pers tive 'sectional wevv to `illustrate the inter or of the :batch loader ox. v C Fig. is a perspective view of the loaderbox which is not divided into compartments. Flg. 4 is a side elevation lof a modified loader, certain of the parts'being shown broken away4 for the sake of better illustration. v

f Fig. 5 is a front elevation of e machine 75" shown in Fig. l the drivers seat ingomitted in'this view for the sake of better illustration. I 1

Fig. '6 isa sectional view and l side elevation of the drivin arrangement for *the vari# ous forms of loa er shown in Figures 1 and 5 and shown on a larger scale. v V Y Flg. 7 is a` detail sectional view of thef' transmission elements. v a

"Fig 8 is a side elevation and partly sec# 5 tional view of. an automatic vclutch` release for interrupting the loading movement when the loading shovel has reached a predeter-` mined elevation. Fig. 9 is. a front 'elevation of a ie'cksheft the loadingv rspectiv view f-f ovel. t

shovel: I F ig. 10 is a proved'loading tion illustrating the suspension of the shovel in relation toV the frame and wheel ot the.

detail section through achain frame 2 is 'supported by a set of 'wheels 3v and by another set of Wheels 4 preferably yof larger diameter and equipped with ground gripping shoes 5 which, however, may be omitted.

While in the ordinary Fordson or other tractors the smaller wheels 3 are the front wheels, the position of the parts is reversed in the present application, the transmission between the/crank shaft (not shown) and driving axle 6 containing a left hand worm instead of the customary right hand worm in the diiierential drive, to propel the tractor in a direction opposite to that in which the power plant of the standard tractor propels thevehicle. It is for this reason that the operators position, as indicated by the seat 7, is located on whatnow forms the rear end of the modified tractor, where it faces the radiator 8, Fig. 5, while the weightoi': the machine is thereby placed n the front axle which is adequately provided with bearings to support the load.

The steering 'device controlled by the steering wheel 9 at the operators station is approximately thesame as in the standard device, 'the steering Wheels being the smaller Wheels 3 which ordinarily constitute the front wheels of the tractor and which in the present modificationform the rear wheels ot v imparting the necessary movements to av f the same. The gear shift lever 10, brake pedal and other elements forming parts of theA tractor equipment are thel same as in standard tractors.

For the purpose of supporting on a tractor of this character a loader either of the form shown in Figs. 1 and 2 or of the form shown in Fig. 3, and the mechanism for loader shovel a superstructure is'erected upgn thechassis 2 of the tractor. l'Ihis superstrucf t-ure comprises the uprights 12 and braces 13 which are secured to the longitudinal sills ofthe chassis by means of the plates 14 and, -15 respectively, and which are united on top by a transverse beam 16 -which :not onl 'con-X nects the uprightsv 12.v and 13 on eac side but also serves for uniting the superstructure 'parts 12; 13 'on one side with those on the .other side of the chassis.- An additional transverse beam 17 located beneath the transf verse beam 16 extendsfrom the uprights 12 on one side to those on the other side of the structure. Additional struts 20`in the form of bent angle irons are Isecured at their foot ends to extensions 21 of thelateral sills of the frame; they'connect with the uprights 12 in the'extremities of the struts 24 rest on a supporting bracket 30 for the springs 31. The springs terminate in shackles 32 t-hrou h which the yconnection with a transverse: eam 33 Vnear the frontend of the box 22 isfirmly established. The rear end of the r@box hasl a plurality of brackets 35 adapted. to sup orta rod 36 which is secured in bearings 3 extending rearward of the4 superstructure formed by the uprights 12.

. YThe box 22, as show n in Fig. 2, consists of a rear Wall 34, a bottom 38 and a curved front wall 39 which is extended to a portion only of the top so as to leave openings through which material maybe delivered into the boxbyl a charging shovel. The various wall portions are rigidly secured to ,tlafph other by means of angle irons or the In order to, divide this box into a plurality of compartments adapted to receive sand and stone respectively or'otherv materials, partitionl walls are located within the interior of the box. Certain4 of these partition' walls are adjustable with respect to other walls of the'box to vary the capacity of the dierent compartments, andk some partition walls areadjustable under -the control ofthe operator/to selectively prevent material of one sort from being discharged by the shovel i to certain compartments. A

A gate of ah lar cross-section as indicated at 41, is oscil atably supported on a transverse rod 42, and as shown in Fig. 2 closes thefront compartment 43 against delivery of material. l/Vhen it is desired vto fill thls. compartment, the gate 41 is turned about 'its pivotal support 42 into a position diferentfrom that indicated 'in Fig. 2, whereby that portion of the gate shown in said'igure as forming substantially a continuation ofl the front wall 39, is Aswung downwardly into the boxE while the other portion wlllbe placed into av. position to cover the'charge opening for the adjacent compartment 45.

For the purpose of effecting-this adjust- I ment under the control of the operatorthe free end of the rod 42 is connected by means i from a' of an arm 44 located 'on 'the outside of the The rod=49 may. be adjusted longitudinally 4 flow back to the stone pile,l and the shovel 'n 'subsequent to the releasel from the locking pinv 48 until the notch 46 isadapte-d tobe locked by engagement with the same pin 48. Another portion of this partition wall, as indicated at is adjustable about a pivot 51- to vary the contents Aof-ithe respective coin- .partment This second movable' portion of' this partition wall lmaybe held in adjusted angular position by a pin .5 2 (Fig. 1) in-- sertable through ',one ofseveral openings 50 provided in the side wall of the box. 'When it is desired to load the second compartment with material diiierent from that` placed in the rst compartment the gate 41 'is placed, into the .position shown in Fig. 1.@ If the second compartment`slioi1ld be lled, the

surplus stQnecarried by the shovel will not therefore will scrape the stone across the *opening of this second compartment into the last or third compartment ofthe'box'.

A; gate also is provided at 54 for this 1 second compartment'45, and this gate may be adjusted ,manually from the drivers seat by meansof a plurality of links'and levers,

as shown in Fig. 1. A 'control lever 55 p'ivv oted on the bracket v secured to the front portion of the `machineeis connected withv a link 56 extending to a bell-crank levei` 57 which is. securedto the outside of the box 22.?

l `One arm of this -bell crank lever is-joined .by fromtheg'ate 54 through -a slot604 in the. wall of the box 22. The-arm 59. is fixed to j link.58.with .an arm- 59 which projects a vtransverse bar61 from which a lower iapj i 62 extends. from .gate 54 downward towards the bottom of the box, .the .gate composed of' the (flaps 54 and- '62 being movable about the pivot bar 63near the upper end of the Vof theobox to .prevent Similar to the adjusting arrangement described in connection with my United StatesA Patent No. 1,506,762, an arbitrary adjust-- ment of the limit of'A contents of the second or stone compartment '45' may be elected' be inserted intov Wall through bolt 64 Awhich may' any one of several openings 65- in the movement of lthe gate portion 54. As shown 'in Fig. l, lateral reinforcing I' bars 66 are provided on the outside wall of the box and serve for supporting' near the cured.

excessive forward chains 69pt the charging. device 70 are s e- The operator may at the rst or :sand compartment 43 so as to make possible'the charge of suitable matehis selection uncover v .top thereof brackets 67 .onwhich rollers 68.'. vfor. the guidance vof the elevating or hoisting rial into the same, and to prevent the same from bein'g delivered into the second or stone vcompartment'45, as the latter is automatically closed when the irst compartmentl is opened and viceversa. He may also cover' 'the stone compartment to cause niaterialto be scraped by the charging shovel 7.0 over the top closure of the stonel compartment into the .third loading box. He also may adjust the size of these compartments within wide limits to prepare batches o f varying weight, or in which the ingredients may be variably proportioned. f' A.

The box front wall 39 through which the discharge 'gof the material deposited in the 'b9x.to' a suitable concrete mixer or the z.like (not compartmentof the batch r 22 is, furthermore, provided With .a closure plate 71 near the'bottom of the shown in the drawing) maybeeiiected, after.

the tractor has transported this material 1n the batch box fromthe point of supply to -the point where these materiafls-.are to be used. This gate 71 is nom'ally-retained in closing position by a latch device comprising one or more hooks 7 2 which \'are rigidly connected Iwith a transverse bar 7 3 rotatably supported in bearing brackelts'74 projecting from the bottom wall 38 'of the box 22..

lim

-Th'ese'latchvhooks engage a reinforcing bar or angle iron 75 at the free edge of the gate 71 to retain the 'same in closing osition. In order to-move the latch hooks 2 to release position, when it is desired to discharge the material; a crank 7 6.is secured to the lend of the bai` 73 and is with a link 7 7 continued to the drivers position .by tionallink 7 8, the two links being'in movable connect-ion .at their adjacent ends with an arm 79 which is pivotally mounted near one side wall at thebottom wall o the box: The opposite end of the second link 78 1s conne'ctedto an arm 80 pivoted on the bracket pivotally mounted arm is iixed 50, and this toa treadle\lever 81. -under the `control of Vthe operator, whe1eby, upon depression of means. of an addiiio."

said treadle the latch hooks 72 will be swung.

cointerfclockwise to release` the gate 71.

Owingfto these control devices the 'operator ,is empowered to charge the different com he is in position to and` arge the entire batcliloader box partments successively; vary the ca acity of the compartments he may' disc at any time.

In order 1to transfer the charge romthe point oflsupply,which is usually a heap of material located`on the ground, a shovel 70 or' bucket isused which is lixedly' connected 130 with arms 82 extending to bearing brackets 4 the rear wall being adjustable in height by means of an additional bar 86 held in variable relation to the fixed portion of the wall by a plurality ofbolts 87 which extend' through elongated slots in the. fixed poftion of the rear wall. Owing to the enlarged front or digging edge of this bucket the shovel or bucket upon being advanced by the tractor into the heap of material Spread on the ground, will produce a path for the front wheels 4 of the tractor to facilitate the continued advance of the entire machine into this material. l

It is furthermore apparent fronrFig. 10 that at the side walls 88 of the bucket 70 brackets or plates89 are adjustably secured by means of bolts extending through. elon` gated slots 90 in said side Walls, the rear edges 4of the brackets or plates 89 being curved on a radius substantially equal to the radius of the curved front. wall of the batch loader'box 22, as shown in Figs. 1 and 2, or of the loader box, as shown in Fig. 3. The plates .89 are adapted to travel during the movement of the bucket 70 on a path adjacent curved plates 91, as indicated in Fig. 2, which are riveted or secured in some other suitable way to the outer walls of the box. Qwing to this provision of plates 89 on the bucket and the -curved vplates 91 on the box the large gap between the bucket and the face of the' box will be closed.

The loader box 92 .illustrated Yin Fig. 3 is similar .to the box 22 ofFig. 2and is supported o n the tractor exactly as described with reference to box" 22. It is not provided,

however, withpartition walls, but has one large opening 93 near the edges of which the roller brackets 67 are secured.

The hoisting and lowering of thebucket 70 is effected by meansof the chains 69 having their lower ends secured to eye-bolts 94 which are fastened into vthe front ends of the arms 82. The other ends of the chains 69 are secured on drums 95 which -as shown in Figs. 1, 4 and 5, are mounted near the ends of a transverse yshaft 96 rotatably carried in bearing brackets 97 fixed tothe transf verse beam 16 near the V.top of the superstructure. This transverse shaft 96 receivesits drve from the engine? of the tractor through a slantingly disposed drive shaft 98, the details of the transmissionbeing' illustrated in f Figs. 6, 7,8, 9 and 19.

y The engine shaftl 99 or another shaft driven by the engine carries atf its rear end a helical \bevel pinion 100'Which iso'fixedly held in place on said shaft. by means of a ,a bearing the shaft 98 is rotatably supported, t-he enslanting direction from the lower end of thev engine to the top end of the superstructure. The bevel gear transmis/sion 105, 106 is ninclosed in a casing 107 bolted to the first named tubular casting 103 in which the jack shaft 102 is mounted. This casing 107 also is provided near its lower cnd with an in'- wardly projecting box finished-to serve as 108 in which the foot portion of tire structure being so arranged that a'lubri cant may be introduced into these casings to permit the gears to turn -freely and permanently in. the lubricant. A discharge of the lubricant from the easing 107 is .prevented owing to the provision of a bowl 109 secured to the lower flattened portion of the said casing. l

The transverse I-beam 1-6 which tops the superstructure serves for supporting intery mediate its ends a bracket 110 to which another casing 111 for receiving a worm transmission is secured. This worm gear casing 111 preferably is composed of two similar parts held in operative assembly'by bolts and the casing parts are preferably integral with an extension 112 through which the top portion of the "secondary shaft 98 projects, said shaft carrying within thel extension 112 a worm 11? rigidly fixed to the shaft 98. This top portion of the secondary shaft is supported, as shown in Fig. 6, by means of roller bearings 114 inserted into the extension 112, and 'a thrust ball bearing 115 is dis posed between'the uppermost roller bearing 114 and a closure cap 116 secured to the extension.' The worm on the secondary shaftulli' also ma n be iilled with a`lubricant-to assure a nois ess and smooth operation of this transmission.

The ends of the" transverse shaft 96 which is driven through the secondary 'shaft 98 carry thfe narrow-chain drums 95 having the lll() shrouds or plates 118, Fig. 19, by means of which the proper winding operation of the holstmg chain on each drum is assured. As

shown in Figs. 9 and 19,`a bolt 119 passing 1n axlal direction through the drum and through the l.shrouds thereof serves as an l attachment device for the end of the hoist-ing" leo ' related thereto. Owing to this arrangement the leverage for initiating the hoisting movement is more efficient; the effective diameter of the drum increases gradually until the chain hugs a portion of the drum the radius of which is equal to the initial radius increased` by the thickness of the chain link, whereupon the winding of this chain on the drum is continued. The operation of the hoisting mechanism described may be interrupted without stopping the engine or even without stopping operation ofthe shaft 98 by the vfollowing means.l Y

When the bucket is to be raised tothe charging position for the box 22 or 92, the

operator grasps the lever 120 which is ar'- rangednear the drivers seat and by swing-L ing the lever downward he, exerts a pull on the rope 121 secured to the lever. The other end of therope is attached, as shown in Fig. 9, to a bell crank '122 fulcrumed on a bracket on the transverse beam' 16 which unites the uprights of the superstructure. ,The lever 122 is bifurcat-ed at one end, and partly embraces a clutch member 123 which is secured by a splined connection (not shown)V to the hub extension 124 of the worm gear 117. A swinging movement of this lever 122 in 4a direction produced by a pull on the rope 121v will force the sliding -clutch member 123 to the left, Fig. 9, thereby bringing it into operative frictional engagement with a companion clutch member 125 .which is keyed to the transverse shaft 96 to -drive-the "same and thereby also the chain drums 95 in t predetermined direction.

It is obvious, therefore, that upon manipulation ofthe lever 120, the. worm transmission v13, 117 while being permanently operated, will transmit the rotary movement to the shaft 96 only upon the clutch 123 being moved to operativeengagement. Upon release of the lev'er 120, or upon forcibly.

- swinging it in opposite direction, 'the frictional operative .connection between the` two clutch members 123, 125 will be interru ted so that no hoisting'movement takes p ace. The pull' exerted by the empty bucket 70 on the chains 69 will cause the shaft 96 extending transversely above the beam 16 to rotate freely in the opposite direction wherebythe chains are unwound from the Y It is obvious, therefore, that the operator may start the hoisting movement by manipulating the lever 120 `and may continue this operation, as ,long as he forces this lever? in. a redetermined direc-fion while upon release o the lever the hoisting operation will cease,` and the charging' device Will be lowered au- .tomatically 'I In the modification illustrated in Figs. 1" and 5to 17 inclusive the tractor is converted into a machine for combining a load hoisting device with a conveyor whereby the material carried upward in thebucket is dumped onto the conveyor, from which it can be carried to a wagon or the like (not shown) to be removed to a place remote from the .loading point, independent of themovement of the tractor itself.

TheV general construction of thc 'tractor with the control for the hoisting device is the same as described above.. Instead of having, however, a. box as indicated at 22 or 92 located on the rear p`ortion of the chassis, the

latter is extended rearward by horizontalbars 126 to the end of which curved angle l irons'127'are secured. The curvature of these angle irons corresponds to the path throiigh which the bucket 70-is hoisted, said path being generally a circular arc having its center in the pivotalaxis of the arms 82 to which the bucket 7 0 is secured.- Wear plates 128 of equally curved form are secured by ,-countersunk -rivetsxor the like to the outer flange of these angle irons, which are also Vsupported by the braces' 129 rising from the chassis. These braces serve to support the brackets 67 for the chain sheaves 68. Adjustable lateral end plates 130 'with curved edges are attached also here to the bucket 70, as shown in Fig. 1, adapted to ride upon said wear plates 128. The wear plates 128 are extended downward below the lower ends ofthe angle irons 127 as indicated at 131 and are .reinforced at',their free edffe by', a transverse angular' bar 132 to far'zirlitater the initial engagement o f the bucket with this guiding device.

The drive ofv theconveyor y14:0 which is shown here as an ordinary slat conveyor is effected from the secondardy shaft 98 carrying ,rigidly thereon at a istance below its top a bevel gear 133, Fig.f 8, in driving connection with La bevel Gear 134 atone end of a transverse jack shaft 135.. ,This jack shaft is rotatably mounted in bea'ring'brackets 136 which are secured on the transverse beam '17,

susA

extending between the uprights 12 Aon the` 'superstructure of the tractor. The opposite endwof this jack shaft also carries a bevel gear ,137 in engagementl with a bevel .gear 138 mounted on a vshort shaft 150` supported in the-projectino' end of the transverseblaml 17 and@ dis Shaft is securely Vexea ,a s rocket,151,Fig. .18, over which a driving c ain 139 is trained.v The chain also 1s 1n driving engagement withl a sprocket 141 at the outerend of a transverse shaft 142 constituting the' driving shaft for the conveyor.,

' Accordin to Figs. 14`and `16,'t'his. shaft is supporte inf bearings.v 143 forming horizontal projections -of anuarngle. bracket` b ar 144, Fig. 14, securely mounted-on a plate 145 which'isfastened atlthejbotto 51457 of.. a conveyor trough 146- The latter com-l eight than` the opposite side wal1149, see l prises' a longitudinal side wall 148 of greater i l for instance Fig. 12, the w'all 148 preventing. discharge of material froni theconveyor towards the tractor or near side. This trough forms .one stationary section of a multiple section .conveyor frame. This stationary section ,is supported on angle irons 152 which, as shown in Fig. 8, are secured at one end to the uprights 12 and are connected at their other end with a transverse elementy walls 148, 149 of the conveyor box 146 are each provided with a pair of longitudinal angle irons 155, 156, as shown in Figs.' 8, 14, 15, the angles forminga channel in which the links ofthe conveyor chain are guided, these angles serving at the same time for the reinforcement of the trough or conveyor vjusted to the ,position shown in Fig. 5.

frame.

The rear end of the bottom plate 147 has slots 157 for the sprockets 158 on shaft 142 overwhich the two link chains y159 of the conveyor are trained.

Each conveyor chain, as particularly shown in Figs. 14 and 18,.compises links. 160 the pintles 161 of which support rollers 162 throu h which the 'chain rides on the lower ang e irons 156 in the interior of the conveyontrou-gh. Certain spaced links are united with angle brackets 163 which are secured to adjacent pintles by one of their -flanges while the other flange is fixedto transverse angle bars 164 serving as connecting elements for the two conveyor chains and at the same time fordragging or pushing the material dumped into the conveyor trough in the travel direction of the chains.

At the rear end the trough 146 is furthermore provided with a guard plate or end wall 165, as shown in Figs. 12 and 14, which extends'between the lateral walls 149, ,148 of the box, and which is reinforced at its ends by upri ht angles riveted to these walls near their ree ends.

material from the rear end of the box.

A pair 4of angle irons 166 secured to the lateral wall 149 serves for suspending a' bearing 167 in which the rear end of shaft 150 is rotatably supported, Fig. 8.

The lower portion of the conveyor chains is guided in a parallel path by meansof ange irons 171 suspended by hangers 172 from the' wall of the trough 146, as shown in Fig. 14. These guiding angles terminate' in curved lips 173 to accommodate the con- `veyor chain whenS the latter has been adv Near the end of the trough opposite the plate 165 brackets 168 aresecured to the This guard plate will.` thereby prevent the accidental discharge-of more, be noted that the lower portion of the 'walls of the box and below the same for receiving a. shaft 169 which' is secured rotatably therein and which carries between the bearingA projections of these brackets sprocket wheels 170. These shafts 169, one in each bracket, are located below and' slightly forward of the free edge of the bottom plate 147, as shown in Fig. 14, and these shafts, furthermore, rest in bearing brackets 174 which are secured to an extension box 175 constituting the second or, pivoted section of the conveyor. The arms of each bearing bracket 168 are arran ed with respect to the arms of the companion bracket 174 in a manner analogous to the parts of ahifnge the pintle of which is formed by the pertaining sprocket shaft 169. The second section of the conveyor frame is thereby) pivotally ,disposed Irelatively to the first section'thereof.

It also comprises a bottom wall 176 and lateral walls 177. The rear end of this section carries a bearing bracket 178 for the shaft 179 on which the sprockets 180 are mounted.

In order to take up the slack on the con- I veyor chain the bracket 178 on the second section is spring controlled. A transverse angle 181 is fixed tothe lower surface of the bottom wall; rods 182 -secured to bracket 17 8 extend slidably through said transverse bar and helical springs 183 `surrounding said rods bear at their rear ends against the transverse angle 181 and at their front ends against washers or collars 184 which are secured to the rods; These compression springs will, therefore, have a tendency to force the support of the sprockets outward, maintaining the conveyor chain in a suitable taut condition and at the same time permitting a yielding movement of said conveyor chain or sprockets if the nature of the load `deposited within the conveyor box should render this more or less irregular movement of the chain advisable or necessary or whenever the conveyor chains upon folding the parts into dotted line posi'- tion, Fig. 5, are to be shortened.

From Figs. 5, 14 and 16 -it will, furtherconveyor chain is engaged by the sprockets 170 held between the hinge brackets 168,

'174, by which the two ,conveyor sections are in ,movable connection with each other.l

conditions of adjustment of one section relativeI to the other.

The bottom wall 176 of the second conveyor section has a .curved lip 185 at the front end, projecting towards the first section to prevent the discharge of the material through the interspace between the two secl the chain along t e Y boxes.

' For the purpose of adjusting the two con- .veyor sections relatively to each other the movable section is suspended from. a pair Vof tension members 187, each having onev end secured to a pivotal bracket 188 on the lateralwalls 177 of the movable section, while the other end is secured tixedly to a. drum 189 which is supported at the -top end of a bracket 190 pro'ecting upward from the lateral wall 148 an 149 respectively of the stationary section near one end thereof as i shown in Figs. 14 and 15.` The two brackets,

i 4 and 15.

jtwo drums 189 are fixedly mounted,

shaft also carries spaced from one of' said each' constructed in the form ofan appronimately triangular plate carries near the top a fixture comprising an elongated bearing 191 for the transverse shaft 192, on which the cable drums 189 are mounted. The two bearing brackets 191 are united by a transverse angle bar 193, as shown in Figs.A 14

On the outer projecting end ofrthe shaft 192 supported in these bearing brackets the and this vdrums a chain sprocket 194 over which the chain 195 for adjusting the conveyor raine adjacent the -engine of the tractor. y

train of ea'rs comprises a pinion 197 mountisv'laced, as indicated 1n Fig.` 15.

' he chain 195 also vis trained over a sprocket -196 vforming a part of a transmission gearing secured in a suitable posi'ilpn 1s ed on a s aft whichcarries at one end' a detacllable crank198. This pinion is in mesh wit a carrying at.thefar .end\the sprocket 196. l Thisset of gears"y may be supported in .plates f superstructure,

to retain this gearing against accidental ro tation, a locking pawl 200 is also isupported v on the bracket on which the gearing isY I held its -own weight, and

' relative position the or brackets secured to the engine casing-or as shown in.Fig.f4 In order mounted and is adapted to-enter the teeth of the adjacent pinion as indicated in Fig.' l5, whereb v thechain 195ma accidenta displacement; to'move the conveyor sections into 'a different from locking position, ig. 5, in whic it is` of the crank 198 the train of gears will be actuated and the chain will be moved to roy tatethe drums189 onwhich thesuspension larger gear 199 on another shaft .be held against en it i's desired awl is swun overv upon rotation cables 187 for the movable conveyor section -is wound or unwound.

` The machine also vcomprises means for automatically actuating the clutch on the transverse shaft 96 when the charging bucket has reached a predetermined position near the top end ofits path. This automatic clutch `control, Figs. 8, 13 and 16 comprises'a b`racket having downwardly projecting lugs secured by riveting or in some other way to vthe bottom wall 147 of the stationary conveyor section 146.v A bar 202 is slidably' supported within the lugs of the bracket 201 andl terminates in a defiected hook portion 203. This plunger bar is yieldingly urged into 'a 204 wlnchsurrounds Ythe plunger 202 between the lugs of the bracket 201,said spring resting at one end against the bracket and engaging at the other end a collar 205 fixed to the Y plunger. This plunger is movably connected at its other end with a link 206 the opposite end of which is in pivotal conneciedetermined position by a springv tion/with an arm`of a bell crank lever 207 Lfixed to a transverse shaft rotatably mounted in the bearing bracket 166. The other arm v ofthe' bell crank lever is secured toa tension member 208 which is guided over a bearing bracket on the transverse beam 16 on top of the substructure, as shown in Figs. 5, 8 and 9b as for instance by means of a bent rtubing 2 9.

,The bucket 70 upon arriving near the tp in discharge position will strike'the deiected end- 203 of the plunger 202 before being -tiltedto full dumping position and will force this plunger inwardly'against the actionof the spring 204 so that the relation indicated in dotte lines in Fig. 8. The bell crank lever 122 being rocked thereby willrbring the cooperating members of the clutch 123, 125 to inoperative position, j as indicated in Fi .9.' In this way the drive for, the shaft t rough which the hoisting operation iseffected is interrnpted'and .the bucket having arrived in dischar `weight and under the influence o the compression spring 204 to the charging osition in which it is shown in full lines in IPig. 4.

In Fig. 4 a brake pedal 211 is shown dis;

pedal being connected by a tension member 212 with a brake lever 213 through which a brake band not shown, ,may be forced into braking engagement with the drum 214. Upon depression ofl this treadle 211 theload on the lsecondary shaft 96 may be increased arts assume. the

llo

posiy tion will automatically return b its own i' posed adjacent the drivers seat, this brake to such an extent that. the rotation of the,

shaft'may be considerabl retarded .or may bestopped-entirely. No etils of the brake construction are lndicated .except as' 4shown. in Fi .i 9 and any desired brake construction opera `le by the treadle lever maybe used.l

The treadleA lever 211', as shownlin Fig. 4, '1so r' f c l v v j is secured to a ratchet sector 215 adapted for cooperation with a transverse locking bar 2.16l located near the-rear end of the vehicle and adjacent the drivers seat. A depression of the entire treadle will, therefore, vbring this sector into holding engagement with the locking bar and will prevent the return movement of the brake actuating 'treadle to release position, relieving thereby 10 the operator of the necessity of maintaining his foot on said treadle as soon as he desires to hold the shaft against operation or to rel the following.

desired to hoist a bucketful ofl tard the movement thereof.

' The operation of this device, therefore, is

When it is p the material to be carried to the conveyor,

the operator advances the tractor to the left, Fig. 4, until the bucket hasentered into ythe heap of material on the grbundto a siiiicient extent. During this time the secondary shaft- 98 is permanently driven, no special f clutch being provided for interrupting the movement'o-f this shaft. This shaft transfers the rotary movement by the worm gear 3 now desires to hoist the load in'the bucket transmission 113, 117 to the clutch member 123, which however, is normally in inopera-- .tive'posi-tion so that the-transverse jack shaft 96 is not driven thereby.- 4If 'the operator he actuates the clutchA control lever 120 in his position, -exerting'a-tension on the rope 121 which asses 'from this ycontrol lever to the cluth s ift lever 122, shown in Fig. 9 so v that the rotary clutch memberis brought into firm rictional engagement with the comp'anion member, the latter being rigidly secured .to the transverse shaft.. Rotation is thereby transmittedV to this transverse shaft in a predetermined directionandthe chains 69 are immediately wound on their narrow drums. and are guided in this winding movement b the shrouds adjacent the drums. Thiswill wind up the hoisting chains'and v the bucket will move upward onjthe curved guides 91 or 128 respectively until it reaches the position indicated approximately ,in l dotted lines in Fig. 8.v In reaching the position the --bucket tilts 'and strikes the clutch control" plunger 202, displacing the same against the action of' the spring -longitudii na'lly so as tol swing the bell crank lever 207,

- whereby a tension 1s exertedv on the rope 208.

Rulls upward the rear end of the matically and the bucket will return to charge position. If the operator should be of the opinion that the bucket still contains remnants of the material which should be delivered into the conveyor, he again pulls on the rope 121 which passes from the clutch control lever in his position to the clutch at.

the other end, thereby throwing in the clutch and the movement of winding up the chain is repeated. l

During this hoistin and lowering movement of the bucket t e conveyor chain is permanently driven in the same direction owing to the bevel gear transmission control from the secondary driving shaft, as shown ino Fig. 8; In this 'way an uninterrupted transfer of the load delivered -to 'the conveyor is safeguarded and owing to the construction of the conve or box "itself a discharge or spilling of the load'while being carried by the conveyor is avoided.

If then this operation of loading a predetermined vehicle is rcompleted and it is de- -sired to advance the tractor to a dile'rent position, it may be advisable to change the relation of the sectors of the conveyor from the relationshown in Fig. 5 in full lines to the relation shown inl dotted lines in order to decrease the overall width of the conveyor and particularly in order t6 decrease the weight or strain on the pivot joints by means of which these sections a e interconn'ected. The operator will then throw out the holding pawl from engagement with the actuating pinion and he may manipulate the crank to effect the return' movement of this conveyor section to a position 'iear vthe framework of the tractor.

I claim: p

1. In a device of the character described,V the combination of a tractor having an engine and a chassis, ahoisting device, yan engine shaft, a secondary shaft permanently driven bysaid engine shaft, a worm gear transmission ermanently driven by said secondary sha t, a transmission shaft operatively connected with the hoisting device, and operator controlled means for selectively connecting and disconnecting said worm gear transmission to and from said transmisf sion shaft respectively.

2. In adevice-of the character described, the combination of a tractor having an engine, a load receiving elernent,a charging device for said load receiving element, an engine shaft, a secondary shaft in .permanent drivingy connection with said engine shaft, a transmission shaft controlling said charging device, a worm transmission` interposed between said shafts, a clutch, and operator controlled means for actuating the clutch interposed. between said worm tran'smission and the transmissionshaft.

-- 3. In a device of the character described, the combinaton of a tractor having an for permanently drivingv engine, a conveyor, engine operatedmeans the conveyor in a predetermined direction, a charging bucket, a spring controlled Aplunger the path of the charging bucket, a shaft, a clutch thereon, means for-manually moving said clutch to operative position, and means connected with the spring controlled plung-Q er lfor movingv said clutch to inoperative position. 4. In a the combination of a tractor'with an engme,

charging a charging bucket, a countershaft operable by the engine of thetractor', -means controlled by bucket from'load receiving to load discharging position, a hand operated clutch on said countershaft, and a spring controlled device in the path of the chargin bucket adjacent its discharge position, sai .spring controlled device being connected with the hand operated clutch and being adapted to eect disconnection ofA said countershaft from the engine.

5. A device of the character described,

' comprising in combination a `tractor with-an a clutch onsaid last named shaft,

` has reached a determined" position,

. engine, a permanently driven shaft, a worm gear actuated by said-.permanently driven shaft and mounted on a shaft supported above the tractor and the engine, a chargings bucket actuated from saidlast named shaft, d means under control of ther bucket for actuating said clutch by 'the bucket whenthe lattec1-- sai actuating device under control of the clutch being located on rthe. opposite side bucket of -said last named shaft from the worm tweenl the shaft of the engine,`anda transar. .Y 6. In a device ofthe character described, the .combination of a tractor having an en.- gine, atransmission gearing interposed bemission shaft extending substantiallyvertically lfrom the transmission gearing up- "ward, said transmission gearing bein enclosed in an oil tight casing near the ower end of said transmission shaft, a worm gear transmission at thel .top endof said trans. mission shaft lfor a countershaft, said worm gear transmisslon being also enlbsd in an oil tight casing, yand means operated by the countershaft'for `actuating a bucket from the en ine of the tractor.

7. In a deviceI of t e character described, the combination of'a\ tractor having, an ene. a shaft 4of the engine, a transmission sha 1n permanent:l connection with saidI transmisf sion and substantially super-structure, projecting into device of thecharacter described,

' gine,

the countershaft for hoisting the engagement ...and a flexible connection interposed said bell crank-lever and said mmiually opermission, upper end of sald transmission shaft,l a

the bucket driven by transmission gearingfdrivenby the end a worm, a countershaft with an axisat a right angle to that of the transmission shaft and havngm. worm gear in permane'antI with said worm, a charging theotractor, -I

a worm .gearing between shaft and the counterby the shaft' of bucket operated from theA .countershaft, a I

clutch on the countershaft, a manually operable lever-for moving said clutch to operativeand release posit1on,.a plunger project.

ing into the path of the chargin bucket, a bell crank lever associated w ithft e lunger ated lever for effecting displacement ofthe tweenN clutch when'the bucket has reacheda predetermined position. 9, In a. device ofthe character described,

the combination of 'ai trabto'r andanengin atransmission driven the eny e s a in'vertical'direction an having its lower end in driving connection with said transa worm gear transmission at'the loo superstructure, al countershaft vexten transversely of the transmission shaft an supported by said super-structure, a conveyor frame carried by said super-structure, means on said transmission shaft for actuatinga conveyor on said frame, said conveyor being driven from the transmlssion shaft,

manually operable meansH for establishing driving connection .between said' transmis` and saidcountershaft, aridauto-v sion shaft matically operable' means f under-control' of an shaft, said automatically operable meansbe ing suppdrted In testimony whereof I ax my si e ft, a Atransmission shaft ex nding su stantially the f for interrupting the vdriving connection S said countershaft Ltransxm'salonv at' 114 Grralid Avenue, Milwaukee, ison- V 'GEQRGEMANIERBE 115.. on, the-frame ofthe conveyor.

ature. 

